\begin{table}[ht] \centering
\newcolumntype{R}{>{\raggedleft\arraybackslash}X}
\newcolumntype{L}{>{\raggedright\arraybackslash}X}
\newcolumntype{C}{>{\centering\arraybackslash}X}

\caption{Test}
\label{tab:abi_denv}
{\scriptsize
\begin{tabularx}{\raggedleft}{@{}lCCCC@{}}

\toprule
&{(1)}&{(2)}&{(3)}&{(4)} \tabularnewline \midrule
{}&{}&{}&{}&{} \tabularnewline
\midrule \addlinespace[\belowrulesep]
Father's Educ<=9 Mean&0.219&0.903&76.705&0.975 \tabularnewline
Father's Educ>9 Mean&0.260&0.872&89.635&0.966 \tabularnewline
P-value&\textbf\{(0.000)\}&\textbf\{(0.000)\}&\textbf\{(0.000)\}&\textbf\{(0.000)\} \tabularnewline
N&2.7e+04&4.9e+04&4.9e+04&4.9e+04 \tabularnewline
Mother's Educ<=9 Mean&0.220&0.906&78.617&0.975 \tabularnewline
Mother's Educ>9 Mean&0.281&0.839&83.935&0.958 \tabularnewline
P-value&\textbf\{(0.000)\}&\textbf\{(0.000)\}&(0.202)&\textbf\{(0.000)\} \tabularnewline
N&2.7e+04&4.9e+04&4.9e+04&4.9e+04 \tabularnewline
Grandmother's Educ<3 Mean&0.221&0.893&72.599&0.972 \tabularnewline
Grandmother's Educ>=3 Mean&0.237&0.902&89.202&0.974 \tabularnewline
P-value&\textbf\{(0.000)\}&\textbf\{(0.001)\}&\textbf\{(0.000)\}&\textbf\{(0.001)\} \tabularnewline
N&2.7e+04&4.9e+04&4.9e+04&4.9e+04 \tabularnewline
\bottomrule \addlinespace[\belowrulesep]

\end{tabularx}
\\ \parbox{\raggedleft}{\scriptsize Note:}
}
\end{table}
